//     Zepto.js
//     (c) 2010-2015 Thomas Fuchs
//     Zepto.js may be freely distributed under the MIT license.

;
(function($) {
	function detect(ua, platform) {
		var os = this.os = {},
			browser = this.browser = {},
			webkit = ua.match(/Web[kK]it[\/]{0,1}([\d.]+)/),
			android = ua.match(/(Android);?[\s\/]+([\d.]+)?/),
			osx = !!ua.match(/\(Macintosh\; Intel /),
			ipad = ua.match(/(iPad).*OS\s([\d_]+)/),
			ipod = ua.match(/(iPod)(.*OS\s([\d_]+))?/),
			iphone = !ipad && ua.match(/(iPhone\sOS)\s([\d_]+)/),
			webos = ua.match(/(webOS|hpwOS)[\s\/]([\d.]+)/),
			win = /Win\d{2}|Windows/.test(platform),
			wp = ua.match(/Windows Phone ([\d.]+)/),
			touchpad = webos && ua.match(/TouchPad/),
			kindle = ua.match(/Kindle\/([\d.]+)/),
			silk = ua.match(/Silk\/([\d._]+)/),
			blackberry = ua.match(/(BlackBerry).*Version\/([\d.]+)/),
			bb10 = ua.match(/(BB10).*Version\/([\d.]+)/),
			rimtabletos = ua.match(/(RIM\sTablet\sOS)\s([\d.]+)/),
			playbook = ua.match(/PlayBook/),
			chrome = ua.match(/Chrome\/([\d.]+)/) || ua.match(/CriOS\/([\d.]+)/),
			weixin = ua.match(/MicroMessenger\/([\d\.]+)/i),
			firefox = ua.match(/Firefox\/([\d.]+)/),
			firefoxos = ua.match(/\((?:Mobile|Tablet); rv:([\d.]+)\).*Firefox\/[\d.]+/),
			ie = ua.match(/MSIE\s([\d.]+)/) || ua.match(/Trident\/[\d](?=[^\?]+).*rv:([0-9.].)/),
			webview = !chrome && ua.match(/(iPhone|iPod|iPad).*AppleWebKit(?!.*Safari)/),
			safari = webview || ua.match(/Version\/([\d.]+)([^S](Safari)|[^M]*(Mobile)[^S]*(Safari))/)

		// Todo: clean this up with a better OS/browser seperation:
		// - discern (more) between multiple browsers on android
		// - decide if kindle fire in silk mode is android or not
		// - Firefox on Android doesn't specify the Android version
		// - possibly devide in os, device and browser hashes

		if (browser.webkit = !!webkit) browser.version = webkit[1]

		if (android) os.android = true, os.version = android[2]
		if (iphone && !ipod) os.ios = os.iphone = true, os.version = iphone[2].replace(/_/g, '.')
		if (ipad) os.ios = os.ipad = true, os.version = ipad[2].replace(/_/g, '.')
		if (ipod) os.ios = os.ipod = true, os.version = ipod[3] ? ipod[3].replace(/_/g, '.') : null
		if (wp) os.wp = true, os.version = wp[1]
		if (webos) os.webos = true, os.version = webos[2]
		if (touchpad) os.touchpad = true
		if (blackberry) os.blackberry = true, os.version = blackberry[2]
		if (bb10) os.bb10 = true, os.version = bb10[2]
		if (rimtabletos) os.rimtabletos = true, os.version = rimtabletos[2]
		if (playbook) browser.playbook = true
		if (kindle) os.kindle = true, os.version = kindle[1]
		if (silk) browser.silk = true, browser.version = silk[1]
		if (!silk && os.android && ua.match(/Kindle Fire/)) browser.silk = true
		if (chrome) browser.chrome = true, browser.version = chrome[1]
		if (weixin) browser.weixin = true, browser.version = weixin[1]
		if (firefox) browser.firefox = true, browser.version = firefox[1]
		if (firefoxos) os.firefoxos = true, os.version = firefoxos[1]
		if (ie) browser.ie = true, browser.version = ie[1]
		if (safari && (osx || os.ios || win)) {
			browser.safari = true
			if (!os.ios) browser.version = safari[1]
		}
		if (webview) browser.webview = true

		os.tablet = !!(ipad || playbook || (android && !ua.match(/Mobile/)) ||
			(firefox && ua.match(/Tablet/)) || (ie && !ua.match(/Phone/) && ua.match(/Touch/)))
		os.phone = !!(!os.tablet && !os.ipod && (android || iphone || webos || blackberry || bb10 ||
			(chrome && ua.match(/Android/)) || (chrome && ua.match(/CriOS\/([\d.]+)/)) ||
			(firefox && ua.match(/Mobile/)) || (ie && ua.match(/Touch/))))
		os['browser'] = browser;
		return os;
	}

	//detect.call($, navigator.userAgent, navigator.platform);
	// make available to unit tests
	$.__detect = detect.call($, navigator.userAgent, navigator.platform);

})(jQuery);